Bretslavskii Viktor
From Megion, Russia
Common russian riichi rating (CRR)
Rating date Dec. 20, 2023 (latest changes Dec. 20, 2023).
162 place (126.92).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001
p1 = (173.33 * 4.20 * 0.86 + 333.33 * 2.30 * 1 + 0 + 0 + 0) / (4.20 * 0.86 + 2.30 * 1 + 1 + 1 + 1) = 156.25484560361895
p2 = (333.33 * 2.30 * 1 + 173.33 * 4.20 * 0.86) / max_coefficients = 97.59000464567269
score = 156.25484560361895 * 0.5 + 97.59000464567269 * 0.5 = 126.92242512464583
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-12-19 | 172 -> 162 | 126.92 | |
2023-11-28 | 180 -> 172 | 126.92 | |
2023-11-26 | 172 -> 180 | 127.27 -> 126.92 | |
2023-11-06 | 175 -> 172 | 129.33 -> 127.27 |
IX Russian Riichi Championship: 100% -> 86% |
2023-11-05 | 175 | 129.33 |
Finding Dora: 0% -> 100% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 333 |
|
19/28 | 100% | 2.30 | CRR | Finding Dora |
2 | 173 |
|
63/76 | 86% | 4.20 | RR | IX Russian Riichi Championship |